function initAlerts()
{
	var objBody = document.getElementsByTagName("body").item(0);

	var objAlertDiv = document.createElement("div");
	objAlertDiv.setAttribute('id','alertDiv');
	objAlertDiv.style.display = "none";
	objBody.appendChild(objAlertDiv);
	
	var objCloseLink = document.createElement("a");
	objCloseLink.setAttribute('id','alertDivCloseLink');
	objCloseLink.onclick = function() { h_alert(); }
	objAlertDiv.appendChild(objCloseLink);
	
	var objCloseImg = document.createElement("img");
	objCloseImg.setAttribute('id','alertDivCloseImg');
	objCloseImg.setAttribute('src', "http://zima.bg/images/x.gif");
	objCloseLink.appendChild(objCloseImg);
	
	var objAlertDivTxt = document.createElement("div");
	objAlertDivTxt.setAttribute('id','alertDivTxt');
	objAlertDiv.appendChild(objAlertDivTxt);
	
	//$('alertDiv').hide();
}

function s_alert(msg)
{
	var div = $('alertDiv');
	$('alertDivTxt').innerHTML = msg;
	// calculate top offset for the lightbox and display 
	var arrayPageSize   = getPageSize();
	var arrayPageScroll = getPageScroll();
	
	var t = arrayPageScroll[1] + (arrayPageSize[3] / 2) - 50;
	var l = arrayPageScroll[0] + (arrayPageSize[2] / 2) - 100;
		
	div.style.top  = t + 'px';
	div.style.left = l + 'px';
	
	$('overlay').style.height = arrayPageSize[1] + 'px';
	new Effect.Appear('overlay', { duration: 0, from: 0.0, to: 0.3 });
	
	div.show();
}

function h_alert()
{
	$('alertDiv').hide();
	myLightbox.end(); 
	return false;
}

Event.observe(window, 'load', initAlerts, false);